What are the sine and cosine of 4pi/3?

Aboat's value over time is given as the function f(x) and graphed below. use a(x) = 400(b)x + 0 as the parent function. which graph shows the boat's value increasing at a rate of 25% per year?

The value √10 and √15 are plotted on the number line

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq